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Finding the Fourth Proportional to 530,830, 732,545.40 and 292,366

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Solution

The fourth proportional to 530,830, 732,545.40 and 292,366 is: 403,465.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,830 : 732,545.40 = 292,366 : x
  2. Step 2: Convert to fraction form
    530,830/732,545.40 = 292,366/x
  3. Step 3: Cross multiply
    530,830x = 732,545.40 × 292,366
  4. Step 4: Simplify right side
    530,830x = 214,171,368,416.40
  5. Step 5: Solve for x
    x = 214,171,368,416.40/530,830
  6. Step 6: Final answer
    x = 403,465.08

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