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Finding the Fourth Proportional to 586,302.88, 879,380.40 and 249,478.24

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Solution

The fourth proportional to 586,302.88, 879,380.40 and 249,478.24 is: 374,185.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,302.88 : 879,380.40 = 249,478.24 : x
  2. Step 2: Convert to fraction form
    586,302.88/879,380.40 = 249,478.24/x
  3. Step 3: Cross multiply
    586,302.88x = 879,380.40 × 249,478.24
  4. Step 4: Simplify right side
    586,302.88x = 219,386,274,482.50
  5. Step 5: Solve for x
    x = 219,386,274,482.50/586,302.88
  6. Step 6: Final answer
    x = 374,185.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.