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Finding the Fourth Proportional to 604,927.90, 907,348.10 and 289,300.06

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Solution

The fourth proportional to 604,927.90, 907,348.10 and 289,300.06 is: 433,929.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,927.90 : 907,348.10 = 289,300.06 : x
  2. Step 2: Convert to fraction form
    604,927.90/907,348.10 = 289,300.06/x
  3. Step 3: Cross multiply
    604,927.90x = 907,348.10 × 289,300.06
  4. Step 4: Simplify right side
    604,927.90x = 262,495,859,770.89
  5. Step 5: Solve for x
    x = 262,495,859,770.89/604,927.90
  6. Step 6: Final answer
    x = 433,929.17

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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.