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Finding the Fourth Proportional to 634,554.16, 875,684.74 and 348,074.93

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Solution

The fourth proportional to 634,554.16, 875,684.74 and 348,074.93 is: 480,343.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,554.16 : 875,684.74 = 348,074.93 : x
  2. Step 2: Convert to fraction form
    634,554.16/875,684.74 = 348,074.93/x
  3. Step 3: Cross multiply
    634,554.16x = 875,684.74 × 348,074.93
  4. Step 4: Simplify right side
    634,554.16x = 304,803,904,577.57
  5. Step 5: Solve for x
    x = 304,803,904,577.57/634,554.16
  6. Step 6: Final answer
    x = 480,343.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.